Renamed from "01_Python Introduction" to "01-Python_Introduction" to avoid blank in name.
Co-authored-by: Kasper D. Fischer <kasper.fischer@rub.de>
Reviewed-on: #3
Co-authored-by: Kasper D. Fischer <kasper.fischer@ruhr-uni-bochum.de>
Co-committed-by: Kasper D. Fischer <kasper.fischer@ruhr-uni-bochum.de>